| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 6 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 7 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 8 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 9 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 10 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 12 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 13 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 15 | 6 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 16 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 17 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 18 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 19 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 20 | 14 | 
                                                                 
                                    
                                    9.3%
                                 
                                                             | 
                                                        
                    |
| 22 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 25 | 8 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    |
| 27 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 29 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 30 | 10 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 35 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 40 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 43 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 45 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 50 | 4 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 52 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 54 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 55 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 56 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 60 | 6 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 70 | 5 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 71 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 72 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 80 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 85 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 89 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 90 | 4 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 96 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 100 | 7 | 
                                                                 
                                    
                                    4.7%
                                 
                                                             | 
                                                        
                    |
| 110 | 4 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 120 | 4 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 130 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 140 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 160 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 170 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 180 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 200 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 210 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 230 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 250 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 260 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 265 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 270 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 286 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 290 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 300 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 340 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 350 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 400 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 430 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 480 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 500 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 600 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 710 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 850 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 900 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1500 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             |